for new gun laws. susan candiotti with the speech, the backdrop of new york city, the mayor and involving a number of family members from the connecticut shooting. >> reporter: fredricka, it's always so hard to hear from the parents of those victims as well. what the vice president is trying to do, fredricka, is to get all the support he can especially from the public to try to fight for more as they put it common sense gun control legislation. so he's doing these speeches so that he can try to encourage the public to call their lawmakers in wherever they happen to live to try to get more support for this type of legislation. so he is calling for for example universal background checks which many people think exist but do not currently. he's asking for tighter restrictions on the size of the gun magazines and of course he and the president really pushing for a renewed ban on assault weapons. >> three months ago a deranged man walked into sandy hook elementary school with a weapon of war. that's what he walked in with, with a weapon of war. and that weapon of war has no place on measuring'